| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 26 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Frank E | 10 |
| #2 | Johnson Arthur A | 6 |
| #3 | Wack Henry K | 6 |
| #4 | Johnson Gustaf A | 4 |
| #5 | Bettencourt Theodore R | 2 |
| #6 | William Geier | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2900618A | Contact terminal | |
| US2946036A | Electric switch with terminal plate and wire grip therefor | |
| US2807683A | Flush switch and casing therefor | |
| US2226772A | Electric switch | |
| US2194905A | Electric light fixture | |
| US2133099A | Electric fixture | |
| US2119711A | Electric light fixture | |
| US2001425A | Pull chain socket | |
| US1981816A | Adapter for electric lamp sockets | |
| US1986652A | Attachment plug receptacle | |
| US2078885A | Attachment plug receptacle | |
| US2001657A | Electric lamp receptacle | |
| US1803574A | Shade holder | |
| US2000447A | Electric switch | |
| US1945487A | Electric switch | |
| US1917843A | Wall switch | |
| US1810507A | Electric light fixture | |
| US1810482A | Electric switch | |
| US1983511A | Attachment plug receptacle | |
| US1859671A | Flush snap switch |